...a Senate GOP working group has been meeting for months to figure out what to do should the challenge to Obamacare succeed.

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...Republicans are working on their own plan..."We're not going to help the law, but we're going to help the people, so they are not left in the lurch."

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What that means is Republicans are going to find a way to continue paying subsidies to the estimated 7.5 million Americans who receive taxpayer-funded help to pay their insurance premiums through the federal Obamacare exchange.

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The prospect of seeing those people lose their subsidies -- even though some have received them for a short period of time, and even though Obamacare has imposed burdensome costs on many other Americans -- is just too much for Republican lawmakers to risk.

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"We're worried about ads saying cancer patients are being thrown out of treatment...In recent private polling for the conservative group Independent Women's Voice, a huge majority of respondents said it would be important to "do something to restore the subsidies" in the case of a Court decision striking them down.

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Hill Republicans fear such a scenario would create huge pressure on Republican governors

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To avoid all that, GOP lawmakers have decided to keep the money flowing.